package com.zoo.boot.component;

import com.alibaba.fastjson.JSON;
import com.zoo.boot.api.CommonResult;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 登录失败后返回json
 * @Author: WangB
 * @Date: 2021/6/24
 */
public class CommonAuthenticationFailureHandler  implements AuthenticationFailureHandler {
    @Override
    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException e) throws IOException, ServletException {
        response.setCharacterEncoding("utf-8");
        response.setContentType("application/json;charset=utf-8");
        response.getWriter().write(JSON.toJSONString(CommonResult.fail(null,"登录失败")));

    }
}
